it happened in broad daylight in one of the city's main streets, and the way he was killed, his long career with the u.s. government making officials believe that perhaps he was singled out and targeted. want to talk about paula about this, and what do we know about the victim and who do we think is responsible? >> this is one of the stories we're covering on cnn international and following -- you mentioned this was a senior official at the u.s. embassy, a yemeni national that had worked there for almost two decades. his name hasem. the attackers, as you mentioned, driving up to the car on motorcycles, and this does, as far as sources at cnn have spoken to, sort of bear the hallmarks of an al qaeda-style attack where they targeted -- they knew the route that this man took to work. he was off duty, according to a state department official who spoke with skr nn. now, you'll remember, of course, the source in yemen was a target of attacks and protests against that anti-islam film. some protesters that day breached the perimeter, burned the u.s. flag, and some sources are saying that mr.